@misc{indiciae9fdcf4ac12ef,
  title = {Headaches in the elderly.},
  author = {R B Lipton and D Pfeffer and L C Newman and S Solomon},
  year = {1993},
  doi = {10.1016/0885-3924(93)90106-6},
  url = {https://pubmed.ncbi.nlm.nih.gov/8492006/},
  note = {Source identifier: 8492006}
}